extraterrestrial_radiation_annual: Compute the extraterrestrial radiation.

View source: R/cdtClimate_Variables_functions.R

extraterrestrial_radiation_annualR Documentation

Compute the extraterrestrial radiation.

Description

Compute the extraterrestrial radiation throughout the year for different latitudes.

Usage

extraterrestrial_radiation_annual(lat, tstep = "daily")

Arguments

lat

numeric, a vector of the latitude of the points where the extraterrestrial radiation will be calculated.

tstep

character, the time step of the computed extraterrestrial radiation. Available options: "daily", "pentad", "dekadal", "monthly".

Value

Returns a matrix, where the column represent the latitude and the row the time of the year. The number of row for "daily" is 365, 72 for "pentad", 36 for "dekadal" and 12 "monthly".

References

Allen, R.G., Pereira, L.S., Raes, D., and Smith, M. 1998. Crop evapotranspiration: Guidelines for computing crop requirements. Irrigation and Drainage PaperNo. 56, FAO, Rome, Italy 300 p.


rijaf-iri/CDT documentation built on July 3, 2024, 2:54 a.m.